From: Diagnosing knee osteoarthritis in patients, differences between general practitioners and orthopedic surgeons: a retrospective cohort study
Age category
Matching diagnosis of referrals with DD** present only N = 226,%* (N)
45–54
31,6 (12)
55–64
73,6 (53)
65–74
85,5 (59)
75–85
97,5 (39)
> 85
100 (7)
P value for linear-by-linear association
(< 0.001)